adj. Not very fresh and clean and inhabitable and minty.
Real citation: "There is no other way to put it. Ralph Baker, street photographer, is simply not your average kind of guy. He lives in what he calls his "spaceship," a green-housed, alternative, post-apocalypticish living space wedged snugly between two Williamsburg residential/commercial buildings."
(Raphie Frank, "Ralph Baker, (refusing to be) Blind Photographer," Sept. 10, 2005, http://www.gothamist.com/archives/2005/09/10/
Made-up citation: "Parsons are perturbed when parishioners take post-apocalypticish poops in the private potty? Pish-posh!"